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Bug 990608 - Make tile size configurable. r=tn,nical,bgirard

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This commit is contained in:
Chris Lord
2014-04-04 18:42:44 +01:00
parent 9df797e88c
commit d1dfc64ad5
15 changed files with 123 additions and 106 deletions
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10
layout/base/nsLayoutUtils.cpp
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@@ -725,7 +725,7 @@ nsLayoutUtils::GetDisplayPort(nsIContent* aContent, nsRect *aResult)
nsIScrollableFrame* scrollableFrame = frame->GetScrollTargetFrame();
nsPoint scrollPos(
scrollableFrame ? scrollableFrame->GetScrollPosition() : nsPoint(0,0));
if (marginsData->mAlignment > 0) {
if (marginsData->mAlignmentX > 0 || marginsData->mAlignmentY > 0) {
LayerPoint scrollPosLayer(
res.width * NSAppUnitsToFloatPixels(scrollPos.x, auPerDevPixel),
res.height * NSAppUnitsToFloatPixels(scrollPos.y, auPerDevPixel));
@@ -738,13 +738,13 @@ nsLayoutUtils::GetDisplayPort(nsIContent* aContent, nsRect *aResult)
rect.Inflate(1);
float left =
marginsData->mAlignment * floor(rect.x / marginsData->mAlignment);
marginsData->mAlignmentX * floor(rect.x / marginsData->mAlignmentX);
float top =
marginsData->mAlignment * floor(rect.y / marginsData->mAlignment);
marginsData->mAlignmentY * floor(rect.y / marginsData->mAlignmentY);
float right =
marginsData->mAlignment * ceil(rect.XMost() / marginsData->mAlignment);
marginsData->mAlignmentX * ceil(rect.XMost() / marginsData->mAlignmentX);
float bottom =
marginsData->mAlignment * ceil(rect.YMost() / marginsData->mAlignment);
marginsData->mAlignmentY * ceil(rect.YMost() / marginsData->mAlignmentY);
rect = LayerRect(left, top, right - left, bottom - top);
rect -= scrollPosLayer;
}